import { Span as ISpan } from '@opentelemetry/api';
import { ClientRequest, IncomingMessage, ServerResponse } from 'http';
export declare const customAttributeFunction: (span: ISpan) => void;
export declare const requestHookFunction: (span: ISpan, request: ClientRequest | IncomingMessage) => void;
export declare const responseHookFunction: (span: ISpan, response: IncomingMessage | ServerResponse) => void;